river basin subregion
C36043
concept
A river basin subregion is a distinct geographic area within a larger river basin, defined by hydrologic, ecological, and watershed characteristics that influence water flow, quality, and resource management.
Observed surface forms (7)
- hydrological sub-basin ×1
- portion of Colorado River Basin ×1
- portion of river basin ×1
- river basin segment ×1
- river basin sub-region ×1
- sub-basin of the Nile River ×1
- sub-basin of the Nile River system ×1
Instances (7)
- Darling sub-basin via concept surface "hydrological sub-basin"
- Northern Basin (Murray–Darling Basin)
- California portion of Truckee River Basin via concept surface "river basin segment"
- Upper Basin via concept surface "portion of Colorado River Basin"
- Lower Basin via concept surface "portion of river basin"
- Eastern Nile sub-basin via concept surface "sub-basin of the Nile River"
- Nile Equatorial Lakes region via concept surface "river basin sub-region"